tools: Add a way to look for moved media sample recursively

In ges-launch let the user set a folder where the media sample that
move can be found recursing into that specified folder.

https://bugzilla.gnome.org/show_bug.cgi?id=729382

tools/ges-launch.c

@@ -39,7 +39,7 @@ static gboolean disable_mixing = FALSE;
 static GESPipeline *pipeline = NULL;
 static gboolean seenerrors = FALSE;
 static gchar *save_path = NULL;
-static gchar **new_paths = NULL;
+static GPtrArray *new_paths = NULL;
 static GMainLoop *mainloop;
 static GHashTable *tried_uris;
 static GESTrackType track_types = GES_TRACK_TYPE_AUDIO | GES_TRACK_TYPE_VIDEO;
@@ -71,6 +71,58 @@ get_flags_from_string (GType type, const gchar * str_flags)
   return flags;
 }
 
+
+static void
+_add_media_new_paths_recursing (const gchar * value)
+{
+  GFileInfo *info;
+  GFileEnumerator *fenum;
+  GFile *file = g_file_new_for_uri (value);
+
+  if (!(fenum = g_file_enumerate_children (file,
+              "standard::*", G_FILE_QUERY_INFO_NONE, NULL, NULL))) {
+    GST_INFO ("%s is not a folder", value);
+
+    goto done;
+  }
+
+  GST_INFO ("Adding folder: %s", value);
+  g_ptr_array_add (new_paths, g_strdup (value));
+  for (info = g_file_enumerator_next_file (fenum, NULL, NULL);
+      info; info = g_file_enumerator_next_file (fenum, NULL, NULL)) {
+
+    if (g_file_info_get_file_type (info) == G_FILE_TYPE_DIRECTORY) {
+      GFile *f = g_file_enumerator_get_child (fenum, info);
+      gchar *uri = g_file_get_uri (f);
+
+      _add_media_new_paths_recursing (uri);
+      gst_object_unref (f);
+      g_free (uri);
+    }
+  }
+
+done:
+  gst_object_unref (file);
+  if (fenum)
+    gst_object_unref (fenum);
+}
+
+static gboolean
+_add_media_path (const gchar * option_name, const gchar * value,
+    gpointer udata, GError ** error)
+{
+  g_return_val_if_fail (gst_uri_is_valid (value), FALSE);
+
+  if (g_strcmp0 (option_name, "--sample-path-recurse") == 0) {
+    _add_media_new_paths_recursing (value);
+  } else {
+    GST_INFO ("Adding folder: %s", value);
+    g_ptr_array_add (new_paths, g_strdup (value));
+  }
+
+  return TRUE;
+}
+
 static gboolean
 parse_track_type (const gchar * option_name, const gchar * value,
     gpointer udata, GError ** error)
@@ -107,11 +159,11 @@ source_moved_cb (GESProject * project, GError * error, GESAsset * asset)
   gint i;
   const gchar *old_uri = ges_asset_get_id (asset);
 
-  for (i = 0; new_paths[i] != NULL; i++) {
+  for (i = 0; i < new_paths->len; i++) {
     gchar *basename, *res;
 
     basename = g_path_get_basename (old_uri);
-    res = g_build_filename (new_paths[i], basename, NULL);
+    res = g_build_filename (new_paths->pdata[i], basename, NULL);
     g_free (basename);
 
     if (g_hash_table_lookup (tried_uris, res)) {
@@ -208,7 +260,7 @@ create_timeline (int nbargs, gchar ** argv, const gchar * proj_uri)
   guint i;
   GESProject *project = ges_project_new (proj_uri);
 
-  if (new_paths)
+  if (new_paths->len)
     g_signal_connect (project, "missing-uri",
         G_CALLBACK (source_moved_cb), NULL);
 
@@ -692,9 +744,12 @@ main (int argc, gchar ** argv)
         "Output status information and property notifications", NULL},
     {"exclude", 'X', 0, G_OPTION_ARG_NONE, &exclude_args,
         "Do not output status information of TYPE", "TYPE1,TYPE2,..."},
-    {"sample-paths", 'P', 0, G_OPTION_ARG_STRING_ARRAY, &new_paths,
+    {"sample-paths", 'P', 0, G_OPTION_ARG_CALLBACK, &_add_media_path,
         "List of pathes to look assets in if they were moved"},
-    {"track-types", 'P', 0, G_OPTION_ARG_CALLBACK, &parse_track_type,
+    {"sample-path-recurse", 'R', 0, G_OPTION_ARG_CALLBACK,
+          &_add_media_path,
+        "Same as --sample-paths but recursing into the folder"},
+    {"track-types", 'p', 0, G_OPTION_ARG_CALLBACK, &parse_track_type,
         "Defines the track types to be created"},
     {"mute", 0, 0, G_OPTION_ARG_NONE, &mute,
         "Mute playback output, which means that we use faksinks"},
@@ -713,6 +768,7 @@ main (int argc, gchar ** argv)
 
   setlocale (LC_ALL, "");
 
+  new_paths = g_ptr_array_new_with_free_func (g_free);
   ctx = g_option_context_new ("- plays or renders a timeline.");
   g_option_context_set_summary (ctx,
       "ges-launch renders a timeline, which can be specified on the commandline,\n"
@@ -844,6 +900,7 @@ main (int argc, gchar ** argv)
     seenerrors = validate_res;
 
   g_hash_table_unref (tried_uris);
+  g_ptr_array_unref (new_paths);
 
   return (int) seenerrors;
 }